Anyone know if gap filling adhesives such as Gripfill and Pink Grip
can be used on fibreglass?

If not, what can be?

Thanks
Rob

On Tue, 24 Aug 2004 12:21:24 +0100, Kalico wrote:


If not, what can be?

Polyester resin - car body filler, you need to abrade the existing
fibreglass surface first and if you use a coating of polyester resin
& hardener and allow it to semi harden before filling with polyester
filler you will achieve stronger results.

--
Peter Parry.
http://www.wpp.ltd.uk/

On Tue, 24 Aug 2004 13:36:26 +0100, Peter Parry
wrote:

On Tue, 24 Aug 2004 12:21:24 +0100, Kalico wrote:


If not, what can be?

Polyester resin - car body filler, you need to abrade the existing
fibreglass surface first and if you use a coating of polyester resin
& hardener and allow it to semi harden before filling with polyester
filler you will achieve stronger results.
Yikes! Lots of very technical answers.

I am less concerned with the strength of bond, since it is not for
anything critical.

More that I would hate to apply something which would then dissolve a
hole into the bottom of my boat!

Thanks for all advice - I really appreciate it. Hell, there is
certainly some good knowledge on this group.

Rob

Kalico wrote:

On Tue, 24 Aug 2004 13:36:26 +0100, Peter Parry
wrote:


On Tue, 24 Aug 2004 12:21:24 +0100, Kalico wrote:



If not, what can be?

Polyester resin - car body filler, you need to abrade the existing
fibreglass surface first and if you use a coating of polyester resin
& hardener and allow it to semi harden before filling with polyester
filler you will achieve stronger results.

Yikes! Lots of very technical answers.

I am less concerned with the strength of bond, since it is not for
anything critical.

More that I would hate to apply something which would then dissolve a
hole into the bottom of my boat!

Oh - Boat? Normal prtactice would be to file degrease and roughen as
described elsewhere, and then use glass cloth with probably polyester
rather than epoxy to fill any structurally weak areas, and epoxy and
microballoons or indeed car body filler to get everything nice and smooth.



Thanks for all advice - I really appreciate it. Hell, there is
certainly some good knowledge on this group.

Rob

On Tue, 24 Aug 2004 23:21:16 +0100, Kalico wrote:

Yikes! Lots of very technical answers.

I am less concerned with the strength of bond, since it is not for
anything critical.

More that I would hate to apply something which would then dissolve a
hole into the bottom of my boat!

Thanks for all advice - I really appreciate it. Hell, there is
certainly some good knowledge on this group.

Hi,

Have a look at:

http://groups.google.com/groups?hl=en&lr=lang_en&ie=UTF-8&q=group%3Arec.boats.building+epoxy+polyester
http://groups.google.com/groups?hl=en&lr=lang_en&ie=UTF-8&q=group%3Arec.boats.building+fibreglass+repair&b tnG=Search

Epoxy gives a much better bond than polyester BTW.

cheers,
Pete.

"Pete C" wrote in message
...
snip

Epoxy gives a much better bond than polyester BTW.


Little confused here, the OP was asking about 'gap filling' not bonding, the
original reply from 'Grunff' that suggested Auto body filler would be OK is
correct / if / it is gap filling that is required, but if the OP wants to
bond then Epoxy should be used.

On Wed, 25 Aug 2004 11:07:17 +0100, ":::Jerry::::"
wrote:


"Pete C" wrote in message
.. .
snip

Epoxy gives a much better bond than polyester BTW.


Little confused here, the OP was asking about 'gap filling' not bonding, the
original reply from 'Grunff' that suggested Auto body filler would be OK is
correct / if / it is gap filling that is required, but if the OP wants to
bond then Epoxy should be used.

All I need to do is glue a wooden block to the inside of the hull.

Attached to the block will be a metal eye to tie a bungee cord to that
will be tied at the other end to a locker lid. Just to stop it
falling overboard really so does not need to be that strong.

The block has previously been glued to the hull by someone else but
has come off.

My first reaction was to bang some Gripfill in there as it is cheap
and would accommodate the slightly concave hull shape to the flat
block. I just didn't want to damage the hull.

Also, do you know if Gripfill (or similar) will bond to stainless
steel?

Thanks for all your advice.
Rob